digital circuits and logic design pdf free download
Tài liệu overview of data modeling and database design pdf
... reduce the time required for SQL command parsing.DYou should develop your own naming conventions and standards. Overview of Data Modeling and Database Design 8Ć35Designing the DatabasecontinuedMap ... in thestrategy and analysis phase into a graphical representation of business informationneeds and rules. Confirm and refine the model with the analysts and experts. Design D Design the database. ... birthweightspeciesOneĆtoĆOne Mandatory RelationshipsPlace the unique foreign key in the table at the mandatory end and label it NN toenforce the mandatory requirement and U to enforce the one-to-one...
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Digital Logic and Microprocessor Design ppt
... to reduce a Boolean equation Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits 51 Digital Logic and Microprocessor Design With VHDL Enoch ... circuit, and the different abstraction levels in which a circuit can be designed. Chapter 2 – Digital Circuits provides the basic principles and theories for designing digital logic circuits ... equivalent inverse Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits 43 the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting...
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Digital Logic and Microprocessor Design With VHDL potx
... STD _LOGIC; BEGINterm_1 <= M AND (NOT D) AND V;term_2 <= M AND D AND (NOT V);term_3 <= M AND D AND V;S <= term_1 OR term_2 OR term_3;END Dataflow;(a) Digital Logic and Microprocessor Design with ... equivalent inverse Digital Logic and Microprocessor Design with VHDL Chapter 2 - Digital Circuits 43 the focus is on the design of the digital circuitry of the microprocessor, the memory, and other supporting ... gate LIBRARY ieee;USE ieee.std _logic_ 1164.ALL;ENTITY and2 gate IS PORT(i1, i2: IN STD _LOGIC; Digital Logic and Microprocessor Design with VHDL Chapter 1 - Designing Microprocessors24 Similarly,...
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Introduction to Digital Signal Processing and Filter Design
... sum of only theprevious values of the output and the weighted sum of the current and previousIntroduction to Digital Signal Processing and Filter Design, by B. A. ShenoiCopyright â 2006 John ... properties of complex exponential and sinusoidal discrete-time signals aredescribed. A brief history of analog and digital filter design is given. Then theadvantages of digital signal processing over ... provide a hands-on experience tothe students.Chapter 5 is concerned with the theory and design of finite impulse response(FIR) filters. Properties of FIR filters with linear phase, and design of...
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Introduction to Digital Signal Processing and Filter Design - Introduction
... Processing,Addison-Wesley, 1989.7. S. S. Soliman and M. D. Srinath, Continuous and Discrete Signals and Systems,Prentice-Hall, 1990.8. L. R. Rabiner and B. Gold, Theory and Application of Digital Signal Processing,Prentice-Hall, ... signal, and a discrete-time signal. We dis-cussed the basic procedure followed to sample and quantize an analog signal REFERENCES316. R. D. Strum and D. E. Kirk, Discrete Systems and Digital ... characteristics from digital filters:1. Transition bands much smaller than what can be achieved from analog fil-ters; an example would be a lowpass filter with a bandwidth of 5000 Hz and a passband ripple...
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Tài liệu Module 2: Architecture and Structural Design Patterns pdf
... from Conceptual to Logical Design, ” focus on the first step in the transition from conceptual design to logical design, which is to identify the creational and structural design patterns that ... Architecture and Structural Design Patterns Lab 2: Architecture and Structural Design Patterns Objectives After completing this lab, you will be able to: ! Choose and apply structural design ... Architecture and Structural Design Patterns Module 2: Architecture and Structural Design Patterns 9 Structural RecordsetFields Field As has been discussed, structural design patterns...
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Tài liệu Mastering Photoshop CS3 for Print Design and Production P1 pdf
... years, and has created lay-outs and designs for many successful software training books, videos, and magazines.Ted is the author of InDesign CS2 at Your Fingertips, The InDesign Effects Book, and ... is a professional graphic designer and an expert in Photoshop, Photoshop Elements,InDesign, Illustrator, and QuarkXPress. He served as senior designer at KW Media and theNational Association ... Interactive Designer, and Bridge and Version Cue CS3 Essential Training—all available at Lynda.com. And he teaches a digital graph-ics course at St. Petersburg College in Seminole, Florida.A graphic designer...
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Tài liệu Clutches and brakes design and selection P4 pdf
... 4LinearlyActingExternalandInternalDrumBrakesLinearlyactingdrumbrakesarethosefittedwithshoeswhich,whenacti-vated,approachthedrumbymovingparalleltoaradiusthroughthecen-teroftheshoe.TypicallinearlyactingdrumbrakesareillustratedinFigures1–3.Analysisoflinearlyactingbrakesincludesthoseinwhichthecentrallypivotedshoesareattachedtopivotedlevers,asinFigure1.Includingbrakesofthisdesignwithinthecategoryoflinearlyactingbrakesisjustifiediftheyaredesignedsothattheappliedforcesontheshoesandliningsactalongtheradiioftheshaftsthattheygripwhenthebrakesareapplied.Brakesofthistypemayacteitheruponbrakedrumsordirectlyuponrotatingshaftsandaresuitableforuseinheavy-dutyapplications,suchasfoundinminingandconstructionequipmentandinmaterials-handlingmachinery.Internallinearlyactingdrumbrakes,suchasusedontrucksinEurope,maybedesignedasinFigure2.Eitherpneumaticorhydrauliccylindersorcams ... Letusdenetheeciencyofabrakeastheratioofthetorqueprovidedbythebraketothetorquethatcouldbehadbyapplyingtheforcedirectlytothedrum,orshaft.Accordingtothisdenition,theeciencybecomesTFsrẳApmaxr2wsinu2sinu1ị1=2ịpmaxr2wf0ỵsinf0ịẳ2Asinu2sinu1f0ỵsinf01-10ịUponsubstitutingforu1andu2inequation(1-8)andrecallingequations(1-6) and( 1-7)wendthatTFsrẳ4Asinf0=2ịf0ỵsinf0ẳARr1-11ịwheretheright-handsidehasalreadybeenplottedinFigure5.Fromthatgurewendthatalthoughmaximumeciencymaybeachievedonlyifeachshoeandliningextendoverhalfofthedrum,orshaft,relativelylittleeciencyislostiftheliningextendsoveronly160jinsteadof180j.This,togetherwiththenearimpossibilityofmaintaininggoodcontactbetweentheliningandthedrumneartheendsofashoesubtending180jatthecenterofthedrum,accountsfortheangulardimensionsofthebrakeliningsshowninFigure1.Finally,itfollowsfromequation(1-11)thatiftheshoeissymmetricallypivotedandifequation(1-7)holds,theappliedtorqueisgivenbyTẳARFs1-12ịII.BRAKINGTORQUEANDMOMENTSFORSYMMETRICALLYSUPPORTEDINTERNALSHOESPressurepandbrakingtorqueareagaingivenbyequations(1-2 )and( 1-4),respectively,foraninternalshoemovedagainstarotatingdrumalongalineparalleltoitsaxisofsymmetry,lineOB,inFigure6.Inthefollowinganalysisit ... Letusdenetheeciencyofabrakeastheratioofthetorqueprovidedbythebraketothetorquethatcouldbehadbyapplyingtheforcedirectlytothedrum,orshaft.Accordingtothisdenition,theeciencybecomesTFsrẳApmaxr2wsinu2sinu1ị1=2ịpmaxr2wf0ỵsinf0ịẳ2Asinu2sinu1f0ỵsinf01-10ịUponsubstitutingforu1andu2inequation(1-8)andrecallingequations(1-6) and( 1-7)wendthatTFsrẳ4Asinf0=2ịf0ỵsinf0ẳARr1-11ịwheretheright-handsidehasalreadybeenplottedinFigure5.Fromthatgurewendthatalthoughmaximumeciencymaybeachievedonlyifeachshoeandliningextendoverhalfofthedrum,orshaft,relativelylittleeciencyislostiftheliningextendsoveronly160jinsteadof180j.This,togetherwiththenearimpossibilityofmaintaininggoodcontactbetweentheliningandthedrumneartheendsofashoesubtending180jatthecenterofthedrum,accountsfortheangulardimensionsofthebrakeliningsshowninFigure1.Finally,itfollowsfromequation(1-11)thatiftheshoeissymmetricallypivotedandifequation(1-7)holds,theappliedtorqueisgivenbyTẳARFs1-12ịII.BRAKINGTORQUEANDMOMENTSFORSYMMETRICALLYSUPPORTEDINTERNALSHOESPressurepandbrakingtorqueareagaingivenbyequations(1-2 )and( 1-4),respectively,foraninternalshoemovedagainstarotatingdrumalongalineparalleltoitsaxisofsymmetry,lineOB,inFigure6.Inthefollowinganalysisit...
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Tài liệu Clutches and brakes design and selection P7 pdf
... OMandtheIM.ThebrakeconfigurationdiffersfromtheclutchonlyinthattheIMisrigidlyattachedtothebrakeframe.AnelectromagneticcoiloutsidetheOMandconcentricwithitisusedtoactivatethebrakeorclutch.WhenthecoilinenergizedbypassingcurrentthroughitamagneticfieldisestablishedwhichcausestheparticlestobridgethegapbetweentheIMandtheOMandformlinksbetweenthetwo,asrepresentedinFigure6(b).Theselinksarealongthemagneticlinesofforce,whicharemadenearlyperpendiculartotheOMbytheconfigurationoftheOMandthecoilhousing,asshowninFigures 6and7 .BoththeshearandtensilestressesintheselinksresistrelativemotionbetweentheIMandtheOMandsotransmittorqueforthebrake/clutch.TheseshearandtensilestressesdevelopedaredependentonthecoilcurrentFIGURE4Hysteresisbrakewitha8-lb-ftcapacity.(CourtesyofMagneticPowerSystems, ... vector P and magnetization vector M are dened byP ẳ D eoE and B ẳ AoH ỵ M ỵ Moị 1-4ịbecause both P and M vanish in free space. The last two of equations (1-2) arereplaced byD ẳ eE and H ... (coulombs/meter3) and constants qo and Aodenote the electric and magnetic permeabilities of free space, respectively. Inthe MKS system, the units of qoare farads/meter and the units of Aoarehenries/meter.Chapter...
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